ISRO Scientist or Engineer Electrical 2014

Instructions

For the following questions answer them individually

ISRO Scientist or Engineer Electrical 2014 - Question 31


The moving coil in a dynamometer wattmeter is connected

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ISRO Scientist or Engineer Electrical 2014 - Question 32


For an unbalanced fault with paths for zero sequence currents, at the point of fault

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ISRO Scientist or Engineer Electrical 2014 - Question 33


An ideal OPAMP is used to make an inverting amplifier. The two input terminals of the OPAMP are at the same potential because,

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ISRO Scientist or Engineer Electrical 2014 - Question 34


What is the “swamping” resistance which is connectedin series with the working coil of a voltmeter to drastically reduce the error in measurement caused due to variation in
temperature is made up of?

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ISRO Scientist or Engineer Electrical 2014 - Question 35


If the poles of a system lie on the imaginary axis, the system will be:

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ISRO Scientist or Engineer Electrical 2014 - Question 36


Which one of the following is the most likely reason for large overshoot in a control system

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ISRO Scientist or Engineer Electrical 2014 - Question 37


Which of the following correctly represents the sequence of operations of isolator circuit breaker and earthing switch while opening a circuit

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ISRO Scientist or Engineer Electrical 2014 - Question 38


A comparator circuit is used to

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ISRO Scientist or Engineer Electrical 2014 - Question 39


Out of the following methods of heating the one which is independent of supply frequency is

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ISRO Scientist or Engineer Electrical 2014 - Question 40


An SCR triggered by current pulse applied to gate-cathode can be turned OFF

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